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feat(kernel/std): ✨ implement std::compare
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53
Kernel/tests/stl/compare.cpp
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53
Kernel/tests/stl/compare.cpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifdef DEBUG
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#include <assert.h>
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#include <compare>
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#include <string>
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#include <vector>
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void test_stl_compare()
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{
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debug("std::compare ...");
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assert(std::strong_ordering::equal == (5 <=> 5));
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assert(std::strong_ordering::less == (3 <=> 5));
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assert(std::strong_ordering::greater == (7 <=> 5));
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assert(std::weak_ordering::equivalent == (5.0 <=> 5.0));
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assert(std::weak_ordering::less == (3.0 <=> 5.0));
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assert(std::weak_ordering::greater == (7.0 <=> 5.0));
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assert(std::partial_ordering::equivalent == (5.0 <=> 5.0));
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assert(std::partial_ordering::less == (3.0 <=> 5.0));
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assert(std::partial_ordering::greater == (7.0 <=> 5.0));
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assert(std::partial_ordering::unordered == (std::numeric_limits<double>::quiet_NaN() <=> 5.0));
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assert(std::strong_ordering::equal == (std::string("abc") <=> std::string("abc")));
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assert(std::strong_ordering::less == (std::string("abc") <=> std::string("bcd")));
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assert(std::strong_ordering::greater == (std::string("bcd") <=> std::string("abc")));
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assert(std::strong_ordering::equal == (std::vector<int>{1, 2, 3} <=> std::vector<int>{1, 2, 3}));
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assert(std::strong_ordering::less == (std::vector<int>{1, 2, 3} <=> std::vector<int>{1, 2, 4}));
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assert(std::strong_ordering::greater == (std::vector<int>{1, 2, 4} <=> std::vector<int>{1, 2, 3}));
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debug("std::compare OK");
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}
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#endif // DEBUG
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